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feat: sync with upstream 4.2.2

This commit is contained in:
Aravinth Manivannan 2023-10-14 20:04:32 +05:30
parent 1cc9b8dbaa
commit 6e0a59ee4d
Signed by: realaravinth
GPG Key ID: F8F50389936984FF
18 changed files with 892 additions and 283 deletions
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35
Cargo.lock generated
View File

@ -84,12 +84,12 @@ dependencies = [
[[package]]
name = "actix-macros"
version = "0.2.3"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "465a6172cf69b960917811022d8f29bc0b7fa1398bc4f78b3c466673db1213b6"
checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
dependencies = [
"quote",
"syn",
"syn 2.0.38",
]
[[package]]
@ -245,12 +245,12 @@ dependencies = [
"actix-router",
"proc-macro2",
"quote",
"syn",
"syn 1.0.99",
]
[[package]]
name = "actix-web-codegen-const-routes"
version = "4.0.0"
version = "0.1.0"
dependencies = [
"actix-macros",
"actix-router",
@ -262,7 +262,7 @@ dependencies = [
"proc-macro2",
"quote",
"rustversion",
"syn",
"syn 2.0.38",
"trybuild",
]
@ -474,7 +474,7 @@ dependencies = [
"proc-macro2",
"quote",
"rustc_version",
"syn",
"syn 1.0.99",
]
[[package]]
@ -847,18 +847,18 @@ checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
[[package]]
name = "proc-macro2"
version = "1.0.43"
version = "1.0.69"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
dependencies = [
"unicode-ident",
]
[[package]]
name = "quote"
version = "1.0.21"
version = "1.0.33"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
dependencies = [
"proc-macro2",
]
@ -969,7 +969,7 @@ checksum = "d3d8e8de557aee63c26b85b947f5e59b690d0454c753f3adeb5cd7835ab88391"
dependencies = [
"proc-macro2",
"quote",
"syn",
"syn 1.0.99",
]
[[package]]
@ -1051,6 +1051,17 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "syn"
version = "2.0.38"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e96b79aaa137db8f61e26363a0c9b47d8b4ec75da28b7d1d614c2303e232408b"
dependencies = [
"proc-macro2",
"quote",
"unicode-ident",
]
[[package]]
name = "termcolor"
version = "1.1.3"

15
Cargo.toml
View File

@ -2,7 +2,6 @@
name = "actix-web-codegen-const-routes"
version = "0.1.0"
description = "Routing and runtime macros for Actix Web with support for const routes"
homepage = "https://actix.rs"
repository = "https://github.com/actix/actix-web.git"
authors = [
"Nikolay Kim <fafhrd91@gmail.com>",
@ -16,18 +15,18 @@ edition = "2021"
proc-macro = true
[dependencies]
actix-router = "0.5.0"
actix-router = "0.5"
proc-macro2 = "1"
quote = "1"
syn = { version = "1", features = ["full", "parsing"] }
syn = { version = "2", features = ["full", "extra-traits"] }
[dev-dependencies]
actix-macros = "0.2.3"
actix-macros = "0.2.4"
actix-rt = "2.2"
actix-test = "0.1.0-beta.13"
actix-utils = "3.0.0"
actix-web = "4.0.0"
actix-test = "0.1"
actix-utils = "3"
actix-web = "4"
futures-core = { version = "0.3.7", default-features = false, features = ["alloc"] }
futures-core = { version = "0.3.17", default-features = false, features = ["alloc"] }
trybuild = "1"
rustversion = "1"

58
src/lib.rs
View File

@ -46,9 +46,20 @@
//! ```
//!
//! # Multiple Path Handlers
//! There are no macros to generate multi-path handlers. Let us know in [this issue].
//! Acts as a wrapper for multiple single method handler macros. It takes no arguments and
//! delegates those to the macros for the individual methods. See [macro@routes] macro docs.
//!
//! [this issue]: https://github.com/actix/actix-web/issues/1709
//! ```
//! # use actix_web::HttpResponse;
//! # use actix_web_codegen_const_routes::routes;
//! #[routes]
//! #[get("/test")]
//! #[get("/test2")]
//! #[delete("/test")]
//! async fn example() -> HttpResponse {
//! HttpResponse::Ok().finish()
//! }
//! ```
//!
//! [actix-web attributes docs]: https://docs.rs/actix-web/latest/actix_web/#attributes
//! [GET]: macro@get
@ -64,6 +75,7 @@
#![recursion_limit = "512"]
#![deny(rust_2018_idioms, nonstandard_style)]
#![warn(future_incompatible)]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
use proc_macro::TokenStream;
use quote::quote;
@ -79,6 +91,7 @@ mod route;
///
/// # Attributes
/// - `"path"`: Raw literal string with path for which to register handler.
/// - `path="variable_name"` - Variable name that contains path for which to register handler
/// - `name = "resource_name"`: Specifies resource name for the handler. If not set, the function
/// name of handler is used.
/// - `method = "HTTP_METHOD"`: Registers HTTP method to provide guard for. Upper-case string,
@ -94,7 +107,7 @@ mod route;
/// ```
/// # use actix_web::HttpResponse;
/// # use actix_web_codegen_const_routes::route;
/// #[route("/test", method = "GET", method = "HEAD")]
/// #[route("/test", method = "GET", method = "HEAD", method = "CUSTOM")]
/// async fn example() -> HttpResponse {
/// HttpResponse::Ok().finish()
/// }
@ -104,6 +117,39 @@ pub fn route(args: TokenStream, input: TokenStream) -> TokenStream {
route::with_method(None, args, input)
}
/// Creates resource handler, allowing multiple HTTP methods and paths.
///
/// # Syntax
/// ```plain
/// #[routes]
/// #[<method>("path", ...)]
/// #[<method>("path", ...)]
/// ...
/// ```
///
/// # Attributes
/// The `routes` macro itself has no parameters, but allows specifying the attribute macros for
/// the multiple paths and/or methods, e.g. [`GET`](macro@get) and [`POST`](macro@post).
///
/// These helper attributes take the same parameters as the [single method handlers](crate#single-method-handler).
///
/// # Examples
/// ```
/// # use actix_web::HttpResponse;
/// # use actix_web_codegen_const_routes::routes;
/// #[routes]
/// #[get("/test")]
/// #[get("/test2")]
/// #[delete("/test")]
/// async fn example() -> HttpResponse {
/// HttpResponse::Ok().finish()
/// }
/// ```
#[proc_macro_attribute]
pub fn routes(_: TokenStream, input: TokenStream) -> TokenStream {
route::with_methods(input)
}
macro_rules! method_macro {
($variant:ident, $method:ident) => {
#[doc = concat!("Creates route handler with `actix_web::guard::", stringify!($variant), "`.")]
@ -115,8 +161,8 @@ macro_rules! method_macro {
///
/// # Attributes
/// - `"path"`: Raw literal string with path for which to register handler.
/// - `name = "resource_name"`: Specifies resource name for the handler. If not set, the function
/// name of handler is used.
/// - `name = "resource_name"`: Specifies resource name for the handler. If not set, the
/// function name of handler is used.
/// - `guard = "function_name"`: Registers function as guard using `actix_web::guard::fn_guard`.
/// - `wrap = "Middleware"`: Registers a resource middleware.
///
@ -174,7 +220,7 @@ pub fn main(_: TokenStream, item: TokenStream) -> TokenStream {
output
}
/// Marks async test functions to use the actix system entry-point.
/// Marks async test functions to use the Actix Web system entry-point.
///
/// # Examples
/// ```

627
src/route.rs
View File

@ -1,28 +1,56 @@
use std::{collections::HashSet, convert::TryFrom};
use std::collections::HashSet;
use actix_router::ResourceDef;
use proc_macro::TokenStream;
use proc_macro2::{Span, TokenStream as TokenStream2};
use quote::{format_ident, quote, ToTokens, TokenStreamExt};
use syn::{parse_macro_input, AttributeArgs, Ident, LitStr, NestedMeta};
use quote::{quote, ToTokens, TokenStreamExt};
use syn::{punctuated::Punctuated, Ident, LitStr, Path, Token};
enum ResourceType {
Async,
Sync,
#[derive(Debug)]
pub struct RouteArgs {
//path: syn::LitStr,
path: Option<Box<dyn PathMarker>>,
options: Punctuated<syn::MetaNameValue, Token![,]>,
}
impl ToTokens for ResourceType {
fn to_tokens(&self, stream: &mut TokenStream2) {
let ident = format_ident!("to");
stream.append(ident);
impl syn::parse::Parse for RouteArgs {
fn parse(input: syn::parse::ParseStream<'_>) -> syn::Result<Self> {
// path to match: "/foo"
let path = if let Ok(path) = input.parse::<syn::LitStr>() {
// verify that path pattern is valid
let _ = ResourceDef::new(path.value());
let path: Box<dyn PathMarker> = Box::new(path);
Some(path)
} else {
None
};
if path.is_some() {
// if there's no comma, assume that no options are provided
if !input.peek(Token![,]) {
return Ok(Self {
path,
options: Punctuated::new(),
});
} else {
// advance past comma separator
input.parse::<Token![,]>()?;
}
}
// zero or more options: name = "foo"
let options = input.parse_terminated(syn::MetaNameValue::parse, Token![,])?;
Ok(Self { path, options })
}
}
macro_rules! method_type {
macro_rules! standard_method_type {
(
$($variant:ident, $upper:ident,)+
$($variant:ident, $upper:ident, $lower:ident,)+
) => {
#[derive(Debug, PartialEq, Eq, Hash)]
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub enum MethodType {
$(
$variant,
@ -39,30 +67,30 @@ macro_rules! method_type {
fn parse(method: &str) -> Result<Self, String> {
match method {
$(stringify!($upper) => Ok(Self::$variant),)+
_ => Err(format!("Unexpected HTTP method: `{}`", method)),
_ => Err(format!("HTTP method must be uppercase: `{}`", method)),
}
}
fn from_path(method: &Path) -> Result<Self, ()> {
match () {
$(_ if method.is_ident(stringify!($lower)) => Ok(Self::$variant),)+
_ => Err(()),
}
}
}
};
}
method_type! {
Get, GET,
Post, POST,
Put, PUT,
Delete, DELETE,
Head, HEAD,
Connect, CONNECT,
Options, OPTIONS,
Trace, TRACE,
Patch, PATCH,
}
impl ToTokens for MethodType {
fn to_tokens(&self, stream: &mut TokenStream2) {
let ident = Ident::new(self.as_str(), Span::call_site());
stream.append(ident);
}
standard_method_type! {
Get, GET, get,
Post, POST, post,
Put, PUT, put,
Delete, DELETE, delete,
Head, HEAD, head,
Connect, CONNECT, connect,
Options, OPTIONS, options,
Trace, TRACE, trace,
Patch, PATCH, patch,
}
impl TryFrom<&syn::LitStr> for MethodType {
@ -74,22 +102,133 @@ impl TryFrom<&syn::LitStr> for MethodType {
}
}
impl ToTokens for MethodType {
fn to_tokens(&self, stream: &mut TokenStream2) {
let ident = Ident::new(self.as_str(), Span::call_site());
stream.append(ident);
}
}
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
enum MethodTypeExt {
Standard(MethodType),
Custom(LitStr),
}
impl MethodTypeExt {
/// Returns a single method guard token stream.
fn to_tokens_single_guard(&self) -> TokenStream2 {
match self {
MethodTypeExt::Standard(method) => {
quote! {
.guard(::actix_web::guard::#method())
}
}
MethodTypeExt::Custom(lit) => {
quote! {
.guard(::actix_web::guard::Method(
::actix_web::http::Method::from_bytes(#lit.as_bytes()).unwrap()
))
}
}
}
}
/// Returns a multi-method guard chain token stream.
fn to_tokens_multi_guard(&self, or_chain: Vec<impl ToTokens>) -> TokenStream2 {
debug_assert!(
!or_chain.is_empty(),
"empty or_chain passed to multi-guard constructor"
);
match self {
MethodTypeExt::Standard(method) => {
quote! {
.guard(
::actix_web::guard::Any(::actix_web::guard::#method())
#(#or_chain)*
)
}
}
MethodTypeExt::Custom(lit) => {
quote! {
.guard(
::actix_web::guard::Any(
::actix_web::guard::Method(
::actix_web::http::Method::from_bytes(#lit.as_bytes()).unwrap()
)
)
#(#or_chain)*
)
}
}
}
}
/// Returns a token stream containing the `.or` chain to be passed in to
/// [`MethodTypeExt::to_tokens_multi_guard()`].
fn to_tokens_multi_guard_or_chain(&self) -> TokenStream2 {
match self {
MethodTypeExt::Standard(method_type) => {
quote! {
.or(::actix_web::guard::#method_type())
}
}
MethodTypeExt::Custom(lit) => {
quote! {
.or(
::actix_web::guard::Method(
::actix_web::http::Method::from_bytes(#lit.as_bytes()).unwrap()
)
)
}
}
}
}
}
impl ToTokens for MethodTypeExt {
fn to_tokens(&self, stream: &mut TokenStream2) {
match self {
MethodTypeExt::Custom(lit_str) => {
let ident = Ident::new(lit_str.value().as_str(), Span::call_site());
stream.append(ident);
}
MethodTypeExt::Standard(method) => method.to_tokens(stream),
}
}
}
impl TryFrom<&syn::LitStr> for MethodTypeExt {
type Error = syn::Error;
fn try_from(value: &syn::LitStr) -> Result<Self, Self::Error> {
match MethodType::try_from(value) {
Ok(method) => Ok(MethodTypeExt::Standard(method)),
Err(_) if value.value().chars().all(|c| c.is_ascii_uppercase()) => {
Ok(MethodTypeExt::Custom(value.clone()))
}
Err(err) => Err(err),
}
}
}
struct Args {
path: Box<dyn PathMarker>,
resource_name: Option<syn::LitStr>,
guards: Vec<Ident>,
wrappers: Vec<syn::Type>,
methods: HashSet<MethodType>,
guards: Vec<Path>,
wrappers: Vec<syn::Expr>,
methods: HashSet<MethodTypeExt>,
}
trait PathMarker: quote::ToTokens {}
trait PathMarker: quote::ToTokens + std::fmt::Debug {}
impl PathMarker for syn::Ident {}
impl PathMarker for syn::LitStr {}
impl PathMarker for syn::Expr {}
impl Args {
fn new(args: AttributeArgs, method: Option<MethodType>) -> syn::Result<Self> {
fn new(args: RouteArgs, method: Option<MethodType>) -> syn::Result<Self> {
let mut path: Option<Box<dyn PathMarker>> = None;
let mut resource_name = None;
let mut guards = Vec::new();
@ -98,109 +237,119 @@ impl Args {
let is_route_macro = method.is_none();
if let Some(method) = method {
methods.insert(method);
methods.insert(MethodTypeExt::Standard(method));
}
for arg in args {
match arg {
NestedMeta::Lit(syn::Lit::Str(lit)) => match path {
None => {
let _ = ResourceDef::new(lit.value());
path = Some(Box::new(lit));
}
_ => {
return Err(syn::Error::new_spanned(
lit,
"Multiple paths specified! Should be only one!",
));
}
},
NestedMeta::Meta(syn::Meta::NameValue(nv)) => {
if nv.path.is_ident("name") {
if let syn::Lit::Str(lit) = nv.lit {
resource_name = Some(lit);
} else {
return Err(syn::Error::new_spanned(
nv.lit,
"Attribute name expects literal string!",
));
}
} else if nv.path.is_ident("path") {
if let syn::Lit::Str(lit) = nv.lit {
match path {
None => {
path = Some(Box::new(lit.parse::<syn::Expr>()?));
}
_ => {
return Err(syn::Error::new_spanned(
lit,
"Multiple paths specified! Should be only one!",
));
}
}
} else {
return Err(syn::Error::new_spanned(
nv.lit,
"Attribute path expects literal string!",
));
}
} else if nv.path.is_ident("guard") {
if let syn::Lit::Str(lit) = nv.lit {
guards.push(Ident::new(&lit.value(), Span::call_site()));
} else {
return Err(syn::Error::new_spanned(
nv.lit,
"Attribute guard expects literal string!",
));
}
} else if nv.path.is_ident("wrap") {
if let syn::Lit::Str(lit) = nv.lit {
wrappers.push(lit.parse()?);
} else {
return Err(syn::Error::new_spanned(
nv.lit,
"Attribute wrap expects type",
));
}
} else if nv.path.is_ident("method") {
if !is_route_macro {
return Err(syn::Error::new_spanned(
&nv,
"HTTP method forbidden here. To handle multiple methods, use `route` instead",
));
} else if let syn::Lit::Str(ref lit) = nv.lit {
let method = MethodType::try_from(lit)?;
if !methods.insert(method) {
for nv in args.options {
if nv.path.is_ident("name") {
if let syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(lit),
..
}) = nv.value
{
resource_name = Some(lit);
} else {
return Err(syn::Error::new_spanned(
nv.value,
"Attribute name expects literal string",
));
}
} else if nv.path.is_ident("path") {
if let syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(lit),
..
}) = nv.value
{
// if let syn::Lit::Str(lit) = nv.lit {
match path {
None => {
if args.path.is_some() {
return Err(syn::Error::new_spanned(
&nv.lit,
&format!(
"HTTP method defined more than once: `{}`",
lit.value()
),
lit,
"Multiple paths specified! Should be only one!",
));
}
} else {
path = Some(Box::new(lit.parse::<syn::Expr>()?));
}
_ => {
return Err(syn::Error::new_spanned(
nv.lit,
"Attribute method expects literal string!",
lit,
"Multiple paths specified! Should be only one!",
));
}
} else {
}
} else {
return Err(syn::Error::new_spanned(
nv.value,
"Attribute path expects literal string!",
));
}
} else if nv.path.is_ident("guard") {
if let syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(lit),
..
}) = nv.value
{
guards.push(lit.parse::<Path>()?);
} else {
return Err(syn::Error::new_spanned(
nv.value,
"Attribute guard expects literal string",
));
}
} else if nv.path.is_ident("wrap") {
if let syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(lit),
..
}) = nv.value
{
wrappers.push(lit.parse()?);
} else {
return Err(syn::Error::new_spanned(
nv.value,
"Attribute wrap expects type",
));
}
} else if nv.path.is_ident("method") {
if !is_route_macro {
return Err(syn::Error::new_spanned(
&nv,
"HTTP method forbidden here; to handle multiple methods, use `route` instead",
));
} else if let syn::Expr::Lit(syn::ExprLit {
lit: syn::Lit::Str(lit),
..
}) = nv.value.clone()
{
if !methods.insert(MethodTypeExt::try_from(&lit)?) {
return Err(syn::Error::new_spanned(
nv.path,
"Unknown attribute key is specified. Allowed: guard, method and wrap",
nv.value,
format!("HTTP method defined more than once: `{}`", lit.value()),
));
}
} else {
return Err(syn::Error::new_spanned(
nv.value,
"Attribute method expects literal string",
));
}
arg => {
return Err(syn::Error::new_spanned(arg, "Unknown attribute."));
}
} else {
return Err(syn::Error::new_spanned(
nv.path,
"Unknown attribute key is specified; allowed: guard, method and wrap",
));
}
}
let path = if let Some(path) = path {
path
} else {
args.path.unwrap()
};
Ok(Args {
path: path.unwrap(),
path,
resource_name,
guards,
wrappers,
@ -210,55 +359,23 @@ impl Args {
}
pub struct Route {
/// Name of the handler function being annotated.
name: syn::Ident,
args: Args,
/// Args passed to routing macro.
///
/// When using `#[routes]`, this will contain args for each specific routing macro.
args: Vec<Args>,
/// AST of the handler function being annotated.
ast: syn::ItemFn,
resource_type: ResourceType,
/// The doc comment attributes to copy to generated struct, if any.
doc_attributes: Vec<syn::Attribute>,
}
fn guess_resource_type(typ: &syn::Type) -> ResourceType {
let mut guess = ResourceType::Sync;
if let syn::Type::ImplTrait(typ) = typ {
for bound in typ.bounds.iter() {
if let syn::TypeParamBound::Trait(bound) = bound {
for bound in bound.path.segments.iter() {
if bound.ident == "Future" {
guess = ResourceType::Async;
break;
} else if bound.ident == "Responder" {
guess = ResourceType::Sync;
break;
}
}
}
}
}
guess
}
impl Route {
pub fn new(
args: AttributeArgs,
ast: syn::ItemFn,
method: Option<MethodType>,
) -> syn::Result<Self> {
if args.is_empty() {
return Err(syn::Error::new(
Span::call_site(),
format!(
r#"invalid service definition, expected #[{}("<some path>")]"#,
method
.map_or("route", |it| it.as_str())
.to_ascii_lowercase()
),
));
}
pub fn new(args: RouteArgs, ast: syn::ItemFn, method: Option<MethodType>) -> syn::Result<Self> {
let name = ast.sig.ident.clone();
// Try and pull out the doc comments so that we can reapply them to the generated struct.
@ -266,11 +383,12 @@ impl Route {
let doc_attributes = ast
.attrs
.iter()
.filter(|attr| attr.path.is_ident("doc"))
.filter(|attr| attr.path().is_ident("doc"))
.cloned()
.collect();
let args = Args::new(args, method)?;
if args.methods.is_empty() {
return Err(syn::Error::new(
Span::call_site(),
@ -278,25 +396,44 @@ impl Route {
));
}
let resource_type = if ast.sig.asyncness.is_some() {
ResourceType::Async
} else {
match ast.sig.output {
syn::ReturnType::Default => {
return Err(syn::Error::new_spanned(
ast,
"Function has no return type. Cannot be used as handler",
));
}
syn::ReturnType::Type(_, ref typ) => guess_resource_type(typ.as_ref()),
}
};
if matches!(ast.sig.output, syn::ReturnType::Default) {
return Err(syn::Error::new_spanned(
ast,
"Function has no return type. Cannot be used as handler",
));
}
Ok(Self {
name,
args: vec![args],
ast,
doc_attributes,
})
}
fn multiple(args: Vec<Args>, ast: syn::ItemFn) -> syn::Result<Self> {
let name = ast.sig.ident.clone();
// Try and pull out the doc comments so that we can reapply them to the generated struct.
// Note that multi line doc comments are converted to multiple doc attributes.
let doc_attributes = ast
.attrs
.iter()
.filter(|attr| attr.path().is_ident("doc"))
.cloned()
.collect();
if matches!(ast.sig.output, syn::ReturnType::Default) {
return Err(syn::Error::new_spanned(
ast,
"Function has no return type. Cannot be used as handler",
));
}
Ok(Self {
name,
args,
ast,
resource_type,
doc_attributes,
})
}
@ -307,40 +444,55 @@ impl ToTokens for Route {
let Self {
name,
ast,
args:
Args {
args,
doc_attributes,
} = self;
let registrations: TokenStream2 = args
.iter()
.map(|args| {
let Args {
path,
resource_name,
guards,
wrappers,
methods,
},
resource_type,
doc_attributes,
} = self;
let resource_name = resource_name
.as_ref()
.map_or_else(|| name.to_string(), LitStr::value);
let method_guards = {
let mut others = methods.iter();
// unwrapping since length is checked to be at least one
let first = others.next().unwrap();
} = args;
if methods.len() > 1 {
quote! {
.guard(
::actix_web::guard::Any(::actix_web::guard::#first())
#(.or(::actix_web::guard::#others()))*
)
}
} else {
quote! {
.guard(::actix_web::guard::#first())
}
}
};
let resource_name = resource_name
.as_ref()
.map_or_else(|| name.to_string(), LitStr::value);
let path = path.as_ref();
let method_guards = {
debug_assert!(!methods.is_empty(), "Args::methods should not be empty");
let mut others = methods.iter();
let first = others.next().unwrap();
if methods.len() > 1 {
let other_method_guards = others
.map(|method_ext| method_ext.to_tokens_multi_guard_or_chain())
.collect();
first.to_tokens_multi_guard(other_method_guards)
} else {
first.to_tokens_single_guard()
}
};
let path = path.as_ref();
quote! {
let __resource = ::actix_web::Resource::new(#path)
.name(#resource_name)
#method_guards
#(.guard(::actix_web::guard::fn_guard(#guards)))*
#(.wrap(#wrappers))*
.to(#name);
::actix_web::dev::HttpServiceFactory::register(__resource, __config);
}
})
.collect();
let stream = quote! {
#(#doc_attributes)*
@ -350,17 +502,11 @@ impl ToTokens for Route {
impl ::actix_web::dev::HttpServiceFactory for #name {
fn register(self, __config: &mut actix_web::dev::AppService) {
#ast
let __resource = ::actix_web::Resource::new(#path)
.name(#resource_name)
#method_guards
#(.guard(::actix_web::guard::fn_guard(#guards)))*
#(.wrap(#wrappers))*
.#resource_type(#name);
::actix_web::dev::HttpServiceFactory::register(__resource, __config)
#registrations
}
}
};
output.extend(stream);
}
}
@ -370,7 +516,11 @@ pub(crate) fn with_method(
args: TokenStream,
input: TokenStream,
) -> TokenStream {
let args = parse_macro_input!(args as syn::AttributeArgs);
let args = match syn::parse(args) {
Ok(args) => args,
// on parse error, make IDEs happy; see fn docs
Err(err) => return input_and_compile_error(input, err),
};
let ast = match syn::parse::<syn::ItemFn>(input.clone()) {
Ok(ast) => ast,
@ -385,6 +535,53 @@ pub(crate) fn with_method(
}
}
pub(crate) fn with_methods(input: TokenStream) -> TokenStream {
let mut ast = match syn::parse::<syn::ItemFn>(input.clone()) {
Ok(ast) => ast,
// on parse error, make IDEs happy; see fn docs
Err(err) => return input_and_compile_error(input, err),
};
let (methods, others) = ast
.attrs
.into_iter()
.map(|attr| match MethodType::from_path(attr.path()) {
Ok(method) => Ok((method, attr)),
Err(_) => Err(attr),
})
.partition::<Vec<_>, _>(Result::is_ok);
ast.attrs = others.into_iter().map(Result::unwrap_err).collect();
let methods = match methods
.into_iter()
.map(Result::unwrap)
.map(|(method, attr)| {
attr.parse_args()
.and_then(|args| Args::new(args, Some(method)))
})
.collect::<Result<Vec<_>, _>>()
{
Ok(methods) if methods.is_empty() => {
return input_and_compile_error(
input,
syn::Error::new(
Span::call_site(),
"The #[routes] macro requires at least one `#[<method>(..)]` attribute.",
),
)
}
Ok(methods) => methods,
Err(err) => return input_and_compile_error(input, err),
};
match Route::multiple(methods, ast) {
Ok(route) => route.into_token_stream().into(),
// on macro related error, make IDEs happy; see fn docs
Err(err) => input_and_compile_error(input, err),
}
}
/// Converts the error to a token stream and appends it to the original input.
///
/// Returning the original input in addition to the error is good for IDEs which can gracefully

141
tests/test_macro.rs
View File

@ -8,10 +8,10 @@ use actix_web::{
header::{HeaderName, HeaderValue},
StatusCode,
},
web, App, Error, HttpResponse, Responder,
web, App, Error, HttpRequest, HttpResponse, Responder,
};
use actix_web_codegen_const_routes::{
connect, delete, get, head, options, patch, post, put, route, trace,
connect, delete, get, head, options, patch, post, put, route, routes, trace,
};
use futures_core::future::LocalBoxFuture;
@ -100,18 +100,77 @@ async fn get_param_test(_: web::Path<String>) -> impl Responder {
HttpResponse::Ok()
}
#[route("/multi", method = "GET", method = "POST", method = "HEAD")]
#[route("/hello", method = "HELLO")]
async fn custom_route_test() -> impl Responder {
HttpResponse::Ok()
}
#[route(
"/multi",
method = "GET",
method = "POST",
method = "HEAD",
method = "HELLO"
)]
async fn route_test() -> impl Responder {
HttpResponse::Ok()
}
#[routes]
#[get("/routes/test")]
#[get("/routes/test2")]
#[post("/routes/test")]
async fn routes_test() -> impl Responder {
HttpResponse::Ok()
}
// routes overlap with the more specific route first, therefore accessible
#[routes]
#[get("/routes/overlap/test")]
#[get("/routes/overlap/{foo}")]
async fn routes_overlapping_test(req: HttpRequest) -> impl Responder {
// foo is only populated when route is not /routes/overlap/test
match req.match_info().get("foo") {
None => assert!(req.uri() == "/routes/overlap/test"),
Some(_) => assert!(req.uri() != "/routes/overlap/test"),
}
HttpResponse::Ok()
}
// routes overlap with the more specific route last, therefore inaccessible
#[routes]
#[get("/routes/overlap2/{foo}")]
#[get("/routes/overlap2/test")]
async fn routes_overlapping_inaccessible_test(req: HttpRequest) -> impl Responder {
// foo is always populated even when path is /routes/overlap2/test
assert!(req.match_info().get("foo").is_some());
HttpResponse::Ok()
}
#[get("/custom_resource_name", name = "custom")]
async fn custom_resource_name_test<'a>(req: actix_web::HttpRequest) -> impl Responder {
async fn custom_resource_name_test<'a>(req: HttpRequest) -> impl Responder {
assert!(req.url_for_static("custom").is_ok());
assert!(req.url_for_static("custom_resource_name_test").is_err());
HttpResponse::Ok()
}
mod guard_module {
use actix_web::{guard::GuardContext, http::header};
pub fn guard(ctx: &GuardContext) -> bool {
ctx.header::<header::Accept>()
.map(|h| h.preference() == "image/*")
.unwrap_or(false)
}
}
#[get("/test/guard", guard = "guard_module::guard")]
async fn guard_test() -> impl Responder {
HttpResponse::Ok()
}
pub struct ChangeStatusCode;
impl<S, B> Transform<S, ServiceRequest> for ChangeStatusCode
@ -167,6 +226,19 @@ async fn get_wrap(_: web::Path<String>) -> impl Responder {
HttpResponse::Ok()
}
/// Using expression, not just path to type, in wrap attribute.
///
/// Regression from <https://github.com/actix/actix-web/issues/3118>.
#[route(
"/catalog",
method = "GET",
method = "HEAD",
wrap = "actix_web::middleware::Compress::default()"
)]
async fn get_catalog() -> impl Responder {
HttpResponse::Ok().body("123123123")
}
#[actix_rt::test]
async fn test_params() {
let srv = actix_test::start(|| {
@ -174,16 +246,7 @@ async fn test_params() {
.service(get_param_test)
.service(put_param_test)
.service(delete_param_test)
.service(path)
.service(field_path)
});
let request = srv.request(http::Method::GET, srv.url(FIELD_PATH.0));
let response = request.send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::OK);
let request = srv.request(http::Method::GET, srv.url(PATH));
let response = request.send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::OK);
let request = srv.request(http::Method::GET, srv.url("/test/it"));
let response = request.send().await.unwrap();
@ -211,7 +274,13 @@ async fn test_body() {
.service(patch_test)
.service(test_handler)
.service(route_test)
.service(routes_overlapping_test)
.service(routes_overlapping_inaccessible_test)
.service(routes_test)
.service(custom_resource_name_test)
.service(guard_test)
.service(path)
.service(field_path)
});
let request = srv.request(http::Method::GET, srv.url("/test"));
let response = request.send().await.unwrap();
@ -267,9 +336,55 @@ async fn test_body() {
let response = request.send().await.unwrap();
assert!(!response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/test"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/test2"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::POST, srv.url("/routes/test"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/not-set"));
let response = request.send().await.unwrap();
assert!(response.status().is_client_error());
let request = srv.request(http::Method::GET, srv.url("/routes/overlap/test"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/overlap/bar"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/overlap2/test"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/routes/overlap2/bar"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url("/custom_resource_name"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv
.request(http::Method::GET, srv.url("/test/guard"))
.insert_header(("Accept", "image/*"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(http::Method::GET, srv.url(FIELD_PATH.0));
let response = request.send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::OK);
let request = srv.request(http::Method::GET, srv.url(PATH));
let response = request.send().await.unwrap();
assert_eq!(response.status(), http::StatusCode::OK);
}
#[actix_rt::test]

10
tests/trybuild.rs
View File

@ -1,4 +1,4 @@
#[rustversion::stable(1.54)] // MSRV
#[rustversion::stable(1.68)] // MSRV
#[test]
fn compile_macros() {
let t = trybuild::TestCases::new();
@ -9,9 +9,15 @@ fn compile_macros() {
t.pass("tests/trybuild/route-ok.rs");
t.compile_fail("tests/trybuild/route-missing-method-fail.rs");
t.compile_fail("tests/trybuild/route-duplicate-method-fail.rs");
t.compile_fail("tests/trybuild/route-unexpected-method-fail.rs");
t.compile_fail("tests/trybuild/route-malformed-path-fail.rs");
t.pass("tests/trybuild/route-custom-method.rs");
t.compile_fail("tests/trybuild/route-custom-lowercase.rs");
t.pass("tests/trybuild/routes-ok.rs");
t.compile_fail("tests/trybuild/routes-missing-method-fail.rs");
t.compile_fail("tests/trybuild/routes-missing-args-fail.rs");
t.pass("tests/trybuild/docstring-ok.rs");
t.pass("tests/trybuild/test-runtime.rs");

19
tests/trybuild/route-custom-lowercase.rs Normal file
View File

@ -0,0 +1,19 @@
use actix_web_codegen_const_routes::*;
use actix_web::http::Method;
use std::str::FromStr;
#[route("/", method = "hello")]
async fn index() -> String {
"Hello World!".to_owned()
}
#[actix_web::main]
async fn main() {
use actix_web::App;
let srv = actix_test::start(|| App::new().service(index));
let request = srv.request(Method::from_str("hello").unwrap(), srv.url("/"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
}

29
tests/trybuild/route-custom-lowercase.stderr Normal file
View File

@ -0,0 +1,29 @@
error: HTTP method must be uppercase: `hello`
--> tests/trybuild/route-custom-lowercase.rs:5:23
|
5 | #[route("/", method = "hello")]
| ^^^^^^^
error[E0277]: the trait bound `fn() -> impl std::future::Future<Output = String> {index}: HttpServiceFactory` is not satisfied
--> tests/trybuild/route-custom-lowercase.rs:14:55
|
14 | let srv = actix_test::start(|| App::new().service(index));
| ------- ^^^^^ the trait `HttpServiceFactory` is not implemented for fn item `fn() -> impl std::future::Future<Output = String> {index}`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `HttpServiceFactory`:
(A, B)
(A, B, C)
(A, B, C, D)
(A, B, C, D, E)
(A, B, C, D, E, F)
(A, B, C, D, E, F, G)
(A, B, C, D, E, F, G, H)
(A, B, C, D, E, F, G, H, I)
and $N others
note: required by a bound in `App::<T>::service`
--> $WORKSPACE/actix-web/src/app.rs
|
| F: HttpServiceFactory + 'static,
| ^^^^^^^^^^^^^^^^^^ required by this bound in `App::<T>::service`

37
tests/trybuild/route-custom-method.rs Normal file
View File

@ -0,0 +1,37 @@
use std::str::FromStr;
use actix_web::http::Method;
use actix_web_codegen_const_routes::route;
#[route("/single", method = "CUSTOM")]
async fn index() -> String {
"Hello Single!".to_owned()
}
#[route("/multi", method = "GET", method = "CUSTOM")]
async fn custom() -> String {
"Hello Multi!".to_owned()
}
#[actix_web::main]
async fn main() {
use actix_web::App;
let srv = actix_test::start(|| App::new().service(index).service(custom));
let request = srv.request(Method::GET, srv.url("/"));
let response = request.send().await.unwrap();
assert!(response.status().is_client_error());
let request = srv.request(Method::from_str("CUSTOM").unwrap(), srv.url("/single"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(Method::GET, srv.url("/multi"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.request(Method::from_str("CUSTOM").unwrap(), srv.url("/multi"));
let response = request.send().await.unwrap();
assert!(response.status().is_success());
}

26
tests/trybuild/route-duplicate-method-fail.stderr
View File

@ -1,11 +1,29 @@
error: HTTP method defined more than once: `GET`
--> $DIR/route-duplicate-method-fail.rs:3:35
--> tests/trybuild/route-duplicate-method-fail.rs:3:35
|
3 | #[route("/", method="GET", method="GET")]
| ^^^^^
error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
--> $DIR/route-duplicate-method-fail.rs:12:55
error[E0277]: the trait bound `fn() -> impl std::future::Future<Output = String> {index}: HttpServiceFactory` is not satisfied
--> tests/trybuild/route-duplicate-method-fail.rs:12:55
|
12 | let srv = actix_test::start(|| App::new().service(index));
| ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`
| ------- ^^^^^ the trait `HttpServiceFactory` is not implemented for fn item `fn() -> impl std::future::Future<Output = String> {index}`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `HttpServiceFactory`:
(A, B)
(A, B, C)
(A, B, C, D)
(A, B, C, D, E)
(A, B, C, D, E, F)
(A, B, C, D, E, F, G)
(A, B, C, D, E, F, G, H)
(A, B, C, D, E, F, G, H, I)
and $N others
note: required by a bound in `App::<T>::service`
--> $WORKSPACE/actix-web/src/app.rs
|
| F: HttpServiceFactory + 'static,
| ^^^^^^^^^^^^^^^^^^ required by this bound in `App::<T>::service`

22
tests/trybuild/route-missing-method-fail.stderr
View File

@ -6,8 +6,26 @@ error: The #[route(..)] macro requires at least one `method` attribute
|
= note: this error originates in the attribute macro `route` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
error[E0277]: the trait bound `fn() -> impl std::future::Future<Output = String> {index}: HttpServiceFactory` is not satisfied
--> tests/trybuild/route-missing-method-fail.rs:12:55
|
12 | let srv = actix_test::start(|| App::new().service(index));
| ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`
| ------- ^^^^^ the trait `HttpServiceFactory` is not implemented for fn item `fn() -> impl std::future::Future<Output = String> {index}`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `HttpServiceFactory`:
(A, B)
(A, B, C)
(A, B, C, D)
(A, B, C, D, E)
(A, B, C, D, E, F)
(A, B, C, D, E, F, G)
(A, B, C, D, E, F, G, H)
(A, B, C, D, E, F, G, H, I)
and $N others
note: required by a bound in `App::<T>::service`
--> $WORKSPACE/actix-web/src/app.rs
|
| F: HttpServiceFactory + 'static,
| ^^^^^^^^^^^^^^^^^^ required by this bound in `App::<T>::service`

11
tests/trybuild/route-unexpected-method-fail.stderr
View File

@ -1,11 +0,0 @@
error: Unexpected HTTP method: `UNEXPECTED`
--> $DIR/route-unexpected-method-fail.rs:3:21
|
3 | #[route("/", method="UNEXPECTED")]
| ^^^^^^^^^^^^
error[E0277]: the trait bound `fn() -> impl std::future::Future {index}: HttpServiceFactory` is not satisfied
--> $DIR/route-unexpected-method-fail.rs:12:55
|
12 | let srv = actix_test::start(|| App::new().service(index));
| ^^^^^ the trait `HttpServiceFactory` is not implemented for `fn() -> impl std::future::Future {index}`

14
tests/trybuild/routes-missing-args-fail.rs Normal file
View File

@ -0,0 +1,14 @@
use actix_web_codegen_const_routes::*;
#[routes]
#[get]
async fn index() -> String {
"Hello World!".to_owned()
}
#[actix_web::main]
async fn main() {
use actix_web::App;
let srv = actix_test::start(|| App::new().service(index));
}

45
tests/trybuild/routes-missing-args-fail.stderr Normal file
View File

@ -0,0 +1,45 @@
error: unexpected end of input, expected string literal
--> tests/trybuild/routes-missing-args-fail.rs:4:1
|
4 | #[get]
| ^^^^^^
|
= note: this error originates in the attribute macro `get` (in Nightly builds, run with -Z macro-backtrace for more info)
error: invalid service definition, expected #[<method>("<path>")]
--> tests/trybuild/routes-missing-args-fail.rs:4:1
|
4 | #[get]
| ^^^^^^
|
= note: this error originates in the attribute macro `get` (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected attribute arguments in parentheses: #[get(...)]
--> tests/trybuild/routes-missing-args-fail.rs:4:3
|
4 | #[get]
| ^^^
error[E0277]: the trait bound `fn() -> impl std::future::Future<Output = String> {index}: HttpServiceFactory` is not satisfied
--> tests/trybuild/routes-missing-args-fail.rs:13:55
|
13 | let srv = actix_test::start(|| App::new().service(index));
| ------- ^^^^^ the trait `HttpServiceFactory` is not implemented for fn item `fn() -> impl std::future::Future<Output = String> {index}`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `HttpServiceFactory`:
(A, B)
(A, B, C)
(A, B, C, D)
(A, B, C, D, E)
(A, B, C, D, E, F)
(A, B, C, D, E, F, G)
(A, B, C, D, E, F, G, H)
(A, B, C, D, E, F, G, H, I)
and $N others
note: required by a bound in `App::<T>::service`
--> $WORKSPACE/actix-web/src/app.rs
|
| F: HttpServiceFactory + 'static,
| ^^^^^^^^^^^^^^^^^^ required by this bound in `App::<T>::service`

13
tests/trybuild/routes-missing-method-fail.rs Normal file
View File

@ -0,0 +1,13 @@
use actix_web_codegen_const_routes::*;
#[routes]
async fn index() -> String {
"Hello World!".to_owned()
}
#[actix_web::main]
async fn main() {
use actix_web::App;
let srv = actix_test::start(|| App::new().service(index));
}

31
tests/trybuild/routes-missing-method-fail.stderr Normal file
View File

@ -0,0 +1,31 @@
error: The #[routes] macro requires at least one `#[<method>(..)]` attribute.
--> tests/trybuild/routes-missing-method-fail.rs:3:1
|
3 | #[routes]
| ^^^^^^^^^
|
= note: this error originates in the attribute macro `routes` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0277]: the trait bound `fn() -> impl std::future::Future<Output = String> {index}: HttpServiceFactory` is not satisfied
--> tests/trybuild/routes-missing-method-fail.rs:12:55
|
12 | let srv = actix_test::start(|| App::new().service(index));
| ------- ^^^^^ the trait `HttpServiceFactory` is not implemented for fn item `fn() -> impl std::future::Future<Output = String> {index}`
| |
| required by a bound introduced by this call
|
= help: the following other types implement trait `HttpServiceFactory`:
(A, B)
(A, B, C)
(A, B, C, D)
(A, B, C, D, E)
(A, B, C, D, E, F)
(A, B, C, D, E, F, G)
(A, B, C, D, E, F, G, H)
(A, B, C, D, E, F, G, H, I)
and $N others
note: required by a bound in `App::<T>::service`
--> $WORKSPACE/actix-web/src/app.rs
|
| F: HttpServiceFactory + 'static,
| ^^^^^^^^^^^^^^^^^^ required by this bound in `App::<T>::service`

8
tests/trybuild/route-unexpected-method-fail.rs → tests/trybuild/routes-ok.rs
View File

@ -1,6 +1,8 @@
use actix_web_codegen_const_routes::*;
#[route("/", method="UNEXPECTED")]
#[routes]
#[get("/")]
#[post("/")]
async fn index() -> String {
"Hello World!".to_owned()
}
@ -14,4 +16,8 @@ async fn main() {
let request = srv.get("/");
let response = request.send().await.unwrap();
assert!(response.status().is_success());
let request = srv.post("/");
let response = request.send().await.unwrap();
assert!(response.status().is_success());
}

34
tests/trybuild/simple-fail.stderr
View File

@ -1,28 +1,44 @@
error: Unknown attribute.
--> $DIR/simple-fail.rs:3:15
error: expected `=`
--> $DIR/simple-fail.rs:3:1
|
3 | #[get("/one", other)]
| ^^^^^
| ^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `get` (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected identifier or literal
error: expected string literal
--> $DIR/simple-fail.rs:8:8
|
8 | #[post(/two)]
| ^
error: Unknown attribute.
error: invalid service definition, expected #[<method>("<path>")]
--> $DIR/simple-fail.rs:8:8
|
8 | #[post(/two)]
| ^
error: expected string literal
--> $DIR/simple-fail.rs:15:9
|
15 | #[patch(PATCH_PATH)]
| ^^^^^^^^^^
error: Multiple paths specified! Should be only one!
--> $DIR/simple-fail.rs:20:19
error: invalid service definition, expected #[<method>("<path>")]
--> $DIR/simple-fail.rs:15:9
|
15 | #[patch(PATCH_PATH)]
| ^^^^^^^^^^
error: Multiple paths specified! There should be only one.
--> $DIR/simple-fail.rs:20:1
|
20 | #[delete("/four", "/five")]
| ^^^^^^^
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: this error originates in the attribute macro `delete` (in Nightly builds, run with -Z macro-backtrace for more info)
error: HTTP method forbidden here. To handle multiple methods, use `route` instead
error: HTTP method forbidden here; to handle multiple methods, use `route` instead
--> $DIR/simple-fail.rs:25:19
|
25 | #[delete("/five", method="GET")]